var layer_borders=true;
var layer_buildings=true;
var layer_buildings_low_resolution=true;
var layer_roads=true;
var layer_terrain=true;

var layer_heatmap=false;
var layer_grey=false;

var camx;
var camy;

var camz;


function endVideo(obj) {

	if (obj.newstate == "IDLE") {
		logger('end of video');
		swapVideo('map3d');} 
	else {
		logger('not idle');
	}

}


function addGreyOverlay() {
	
	// Create the GroundOverlay
	var groundOverlay = ge.createGroundOverlay('');

	// Specify the image path and assign it to the GroundOverlay
	var icon = ge.createIcon('');
	icon.setHref("http://www.rock7.com/gliding_visuals/images/yb_overlay.png");
	groundOverlay.setIcon(icon);

	// Specify the geographic location
	var latLonBox = ge.createLatLonBox('');
	latLonBox.setBox(-25, -45, -65, -75, 0);
	groundOverlay.setLatLonBox(latLonBox);

	greyoverlay=groundOverlay;
	
}